UPDATE 17/02/2023:
This free feature upgrade is now available to Marketplace customers for PC and Xbox as well as via OrbxDirect.
We’ve just released a very big update to this scenery which now includes over 20,000 boats (yes rather a lot) and has moving Royal Navy warships and brand new ferries all with solid helidecks!
Find out more here:
[UPDATE v2.0] Vessels: UK South East - Now with moving helidecks! - General Discussion & Interests / 3rd Party Product Announcements - Microsoft Flight Simulator Forums
Enjoy!